Operation    		     T-States	  Bytes  Density
	LD			r,r'		 4	    1	   4
	LD			r,n		 7	    2	   3.5
	LD			r,(HL)		 7	    1	   7
	LD			(HL),r		 7	    1	   7
	LD			(HL),n		10	    2	   5
	LD			(BC|DE),A	 7	    1	   7
	LD			A,(BC|DE)	 7	    1	   7
	LD			A,(nn)		13	    3	   4.333
	LD			(nn),A		13	    3	   4.333
	LD			A,R		 9	    2	   4.5
	LD			A,I		 9	    2	   4.5   (clears N)
	LD			r,(IX+d)	19	    3	   6.333
	LD			(IX+d),r	19	    3	   6.333
	LD			(IX+d),n	19	    4	   4.75

	LD			dd,nn		10	    3	   3.333
	LD			SP,nn		10	    3	   3.333
	LD			IX,nn		14	    4	   3.5
	LD			HL,(nn)		16	    3	   5.333
	LD			BC|DE|HL,(nn)	20	    4	   5
	LD			IX,(nn)		20	    4	   5
	LD			(nn),HL		16	    3	   5.333
	LD			(nn),BC|DE|HL	20	    4	   5
	LD			(nn),IX		20	    4	   5

	LDI					16	    2	   8
	LD			SP,HL		 6	    1	   6
	LD			SP,IX		10	    2	   5

	PUSH			qq		11	    1	  11
	PUSH			IX		15	    2	   7.5
	POP			qq		10	    1	  10
	POP			IY		14	    2	   7
	EX			(SP),HL		19	    1	  19
	EX			(SP),IX		23	    2	  11.5

ADD,ADC,SUB,SBC,AND,OR,XOR,CP	reg		 4	    1	   4
ADD,ADC,SUB,SBC,AND,OR,XOR,CP	n		 7	    2	   3.5
ADD,ADC,SUB,SBC,AND,OR,XOR,CP	(HL)		 7	    1	   7
ADD,ADC,SUB,SBC,AND,OR,XOR,CP	(IX+d)		19	    3	   6.333
	INC,DEC			r		 4	    1	   4
	INC,DEC			(HL)		11	    1	  11
	INC,DEC			(IX+d)		23	    3	   7.666

	NEG					 8	    2	   4
	CPL					 4	    1	   4

	ADD			HL,ss		11	    1	  11
	ADC,SBC			HL,ss		15	    2	   7.5
	INC,DEC			ss		 6	    1	   6
	INC,DEC			IX		10	    2	   5
	ADD			IX,pp		15	    2	   7.5

RLCA,RLA,RRCA,RRA				 4	    1	   4
RLC,RL,RRC,RR,SLA,SRA,SRL	r		 8	    2	   4
RLC,RL,RRC,RR,SLA,SRA,SRL	(HL)		15	    2	   7.5
RLC,RL,RRC,RR,SLA,SRA,SRL	(IX+d)		23	    4	   5.75
RLD,RRD						18	    2	   9

	BIT,SET,RES		r		 8	    2	   4
	BIT			(HL)		12	    2	   6
	SET,RES			(HL)		15	    2	   7.5
	BIT			(IX+d)		20	    4	   5
	SET,RES			(IX+d)		23	    4	   5.75

	JP			cc|,nn		10	    3	   3.333
	JR			c|,e		12/7	    2	   6 or 3.5
	JP			(HL)		 4	    1	   4
	JP			(IX)		 8	    2	   4
	DJNZ			e		13/8	    2	   6.5 or 4

	CALL			nn		17	    3	   5.666
	CALL			cc,nn		17/10	    3	   5.666 or 3.333
	RET					10	    1	  10
	RET			cc		11/5	    1	  11 or 5
	RETI,RETN				14	    2	   7

	IN,OUT			A,(n)		11	    2	   5.5
	IN,OUT			r,(C)		12	    2	   6

	RST			p		11	    1	  11

B=	 1	 2	 3	 4	 5	 6	 7	 8	  9	 10	 11
DJNZ $	 8	21	34	47	60	73	86	99	112	125	138
w/load	15	28	41	54	67	80	93	106	119	132	145